HogTrans provides an automatic word translation engine built on statistics of text translations used for free software. It basically provides an automatically created dictionary with multiple translations and example usages for each. HogTrans can import translations from standard GNU .mo-files.

Virtaal is a tool for computer-aided translation that offers a simple, user friendly interface. It includes powerful features such as translation memory, terminology management, and placeable handling. Virtaal can edit files such as Gettext PO, XLIFF, and various other localization formats.

JavaAutotoolsExample is an example of a Java Swing program that uses GNU Gettext, Autoconf, Automake, Make, and Java JNI. JavaAutotoolsExample is intended to help Java developers and maintainers make their full-featured Java programs respect the standard "./configure && make && sudo make install" procedure for build and installation.

Weblate is a Web-based translation tool with tight Git integration. It features a simple and clean user interface, propagation of translations across subprojects, consistency checks, and automatic linking to source files.

SecondLanguage lets you use Gettext files in .NET without a lot of hassle. It can read and write both .mo and .po, and fully supports message contexts and plural forms. A C-style printf formatter is included, so you don't have to use .NET-specific translations.